CN216069589U

CN216069589U - Positioning locking mechanism

Info

Publication number: CN216069589U
Application number: CN202122643821.5U
Authority: CN
Inventors: 刘贺龙
Original assignee: Beijing Shengneng Energy Technology Co Ltd
Current assignee: Beijing Shengneng Energy Technology Co Ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-18
Anticipated expiration: 2031-11-01

Abstract

The utility model belongs to the technical field of automobile battery replacement, and discloses a positioning and locking mechanism which comprises a positioning pin and a locking assembly, wherein the positioning pin is configured into a mounting through hole penetrating through a battery box, a containing cavity is axially formed in the positioning pin, an avoiding hole is formed in the side wall of the positioning pin, the avoiding hole is communicated with the containing cavity, the locking assembly comprises a driving assembly and a locking piece, and the driving assembly can drive the locking piece to extend out of the avoiding hole and abut against the box wall of the battery box. When a new battery box is installed, the battery box is aligned and inserted with the positioning pin through the installation through hole on the battery box, and the installation position of the battery box can be determined quickly. Subsequently, the driving assembly drives the locking piece to stretch out of the avoiding hole, so that the locking piece can be abutted against the inner wall of the battery box, and the battery box is locked. This location locking mechanism is integrative to be set up, need not to set up positioning mechanism and locking mechanism respectively on trading electrical equipment, can simplify the structure that trades electrical equipment, reduces occupation space, and the simple easy operation of process of locking and unblock.

Description

Positioning locking mechanism

Technical Field

The utility model relates to the technical field of automobile battery replacement, in particular to a positioning locking mechanism.

Background

Currently, the installation methods of the battery box of the electric vehicle are generally divided into a fixed type and a replaceable type, wherein the fixed type battery box is fixedly installed on the electric vehicle, and the electric vehicle is directly used as a charging object during charging. The replaceable battery box is generally detachably mounted, and the battery box can be taken down at any time and replaced with a new one, which is called battery replacement. Specifically, a battery replacing device is arranged on the vehicle, the battery box is detachably connected to the battery replacing device, and a special device in the battery replacing station can take the discharged battery box down from the battery replacing device, put the discharged battery box into a charging station, and reload the fully charged battery box onto the battery replacing device.

At present, when a new battery box is replaced, the battery replacing device needs to adopt a plurality of positioning mechanisms to position the battery box respectively, and meanwhile, the battery replacing device needs to adopt a locking structure to lock and unlock the battery box, so that the structure is complex, and more space is occupied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning locking mechanism which can simplify the structure of battery replacement equipment, reduce the occupied space and is simple and easy to operate.

In order to achieve the purpose, the utility model adopts the following technical scheme:

there is provided a positioning and locking mechanism comprising:

the positioning pin is configured to be a mounting through hole penetrating through the battery box, an accommodating cavity is axially formed in the positioning pin, and an avoiding hole is formed in the side wall of the positioning pin and communicated with the accommodating cavity;

the locking assembly comprises a driving assembly and a locking piece, the driving assembly can drive the locking piece to stretch out the avoiding hole and abut against the box wall of the battery box.

As a preferable scheme of the positioning locking mechanism provided by the utility model, the positioning locking mechanism further comprises an installation base, the installation base is sealed at the cavity opening of the accommodating cavity, the locking piece comprises a locking block and a first connecting rod which are connected, one end of the first connecting rod, which is far away from the locking block, is rotatably connected to the installation base, and the driving assembly drives the first connecting rod to rotate relative to the installation base, so that the locking block extends out of the avoiding hole.

As a preferable scheme of the positioning locking mechanism provided by the utility model, the locking assembly further includes a transmission rod and a second connecting rod, the transmission rod extends into the accommodating cavity, one end of the second connecting rod is rotatably connected to the transmission rod, the other end of the second connecting rod is rotatably connected to the first connecting rod, and the driving assembly drives the transmission rod to move along the length direction of the transmission rod, so that the first connecting rod rotates relative to the mounting base.

As a preferable scheme of the positioning and locking mechanism provided by the utility model, a support rod is vertically connected to the transmission rod, and one end of the second connecting rod, which is far away from the first connecting rod, is rotatably connected to the support rod.

As a preferable scheme of the positioning and locking mechanism provided by the present invention, the transmission rod is provided with a first limiting member and a second limiting member at an interval along a length direction thereof, the strut is provided with a connecting hole along a width direction thereof, and the strut is sleeved on the transmission rod through the connecting hole and is located between the first limiting member and the second limiting member.

As a preferable scheme of the positioning and locking mechanism provided by the present invention, the mounting base includes a base body and a hinge portion protruding from the base body, the transmission rod movably penetrates through the base body and the hinge portion, the hinge portion is provided with a groove, and the first connection rod extends into the groove and is in rotational fit with the groove.

As a preferable scheme of the positioning and locking mechanism provided by the utility model, the first connecting rod comprises a first rod and a second rod which are arranged at intervals, the first rod and the second rod are both connected with the locking block, the hinged part is provided with two grooves, and one end of the first rod, which is far away from the locking block, and one end of the second rod, which is far away from the locking block, are both rotatably connected in the corresponding grooves.

As a preferable scheme of the positioning and locking mechanism provided by the utility model, the first connecting rod comprises a first connecting rod and a second connecting rod which are connected, and the first connecting rod and the second connecting rod are arranged in an obtuse angle.

As a preferable scheme of the positioning and locking mechanism provided by the utility model, a stopping portion is arranged on the locking block, and the stopping portion can abut against the cavity wall of the accommodating cavity to limit the length of the locking block extending out of the avoidance hole.

As a preferable scheme of the positioning and locking mechanism provided by the utility model, a guide tip is arranged on the positioning pin.

The utility model has the beneficial effects that:

according to the positioning and locking mechanism provided by the utility model, the positioning pin is used for positioning the mounting position of the battery box, the battery box is provided with the mounting through hole, and when a new battery box is mounted, the battery box is aligned and spliced with the positioning pin through the mounting through hole on the battery box, so that the mounting position of the battery box can be quickly determined. Subsequently, the driving assembly drives the locking piece to stretch out of the avoiding hole, so that the locking piece can be abutted against the inner wall of the battery box, and the battery box is locked. When the battery box that needs will discharge and accomplish is dismantled, drive assembly drive locking piece holds the chamber through dodging the hole withdrawal to relieve the locking effect of locking piece to the battery box, thereby can shift out the battery box. This location locking mechanism is integrative to be set up, need not to set up positioning mechanism and locking mechanism respectively on trading electrical equipment, can simplify the structure that trades electrical equipment, reduces occupation space, and the simple easy operation of process of locking and unblock.

Drawings

FIG. 1 is a first view of a positioning latch mechanism (latch block retracted) provided in accordance with an embodiment of the present invention;

FIG. 2 is a second view of the positioning and locking mechanism (with the locking block extended) provided in accordance with an embodiment of the present invention;

FIG. 3 is a first cross-sectional view of a detent mechanism provided in accordance with an embodiment of the present invention;

FIG. 4 is a second cross-sectional view of the detent mechanism provided in accordance with an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a locking assembly (hidden driving assembly) provided in the embodiment of the present invention.

In the figure:

1-a positioning pin; 2-a locking assembly; 3-mounting a base;

11-a containment chamber; 12-avoiding holes; 13-a pilot tip;

21-a drive assembly; 22-a lock; 23-a transmission rod; 24-a second link; 25-a strut;

221-a locking block; 222-a first link; 2211-stop; 2221-first lever; 2222-a second rod;

231 — a first limit stop; 232-a second limiting member;

31-a seat body; 32-a hinge; 311-mounting holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 3, the present embodiment provides a positioning lock mechanism including a positioning pin 1 and a lock assembly 2.

The battery box is provided with a mounting through hole, and the positioning pin 1 is configured as a mounting through hole penetrating through the battery box to realize a positioning function. Referring to fig. 3, the dowel pin 1 is provided with a receiving cavity 11 in the axial direction. The lateral wall of locating pin 1 is provided with dodges hole 12, dodges hole 12 and holds the chamber 11 intercommunication. The locking assembly 2 comprises a driving assembly 21 and a locking piece 22, the output end of the driving assembly 21 is in transmission connection with the locking piece 22, so that the driving assembly 21 can drive the locking piece 22 to extend out of the avoiding hole 12 and abut against the wall of the battery box.

When a new battery box is installed, the battery box is aligned and inserted with the positioning pin 1 through the installation through hole on the battery box, and then the installation position of the battery box can be determined quickly. Then, the driving assembly 21 drives the locking member 22 to extend out of the avoiding hole 12, so that the locking member 22 can abut against the inner wall of the battery box, thereby locking the battery box. Referring to fig. 2, a schematic view of the locking member 22 extending out of the relief hole 12 is shown. When the battery box with finished discharging needs to be detached, the driving assembly 21 drives the locking piece 22 to retract into the accommodating cavity 11 through the avoiding hole 12 so as to release the locking effect of the locking piece 22 on the battery box, and therefore the battery box can be removed. Referring to FIG. 1, a schematic view of the lockout member 22 is shown after retraction. This location locking mechanism is integrative to be set up, need not to set up positioning mechanism and locking mechanism respectively on trading electrical equipment, can simplify the structure that trades electrical equipment, reduces occupation space, and the simple easy operation of process of locking and unblock.

Alternatively, referring to fig. 1 and 2, the end of the dowel pin 1 is provided with a guide tip 13. The guide tip 13 is a frustum structure, and the frustum structure is arranged coaxially with the positioning pin 1. Through setting up leading pointed end 13, can make locating pin 1 more convenient smooth when pegging graft with the installation through-hole on the battery box.

Optionally, referring to fig. 3, a mounting base 3 is disposed at the opening of the accommodating cavity 11, and the mounting base 3 can seal the opening of the accommodating cavity 11. The locking member 22 includes a locking block 221 and a first link 222 coupled thereto. One end of the first link 222 away from the locking block 221 is rotatably connected to the mounting base 3. That is, the first link 222 is located inside the accommodating chamber 11. The driving assembly 21 can drive the first link 222 to rotate relative to the mounting base 3, so that the locking block 221 is driven by the first link 222 to extend out of the avoiding hole 12.

Optionally, referring to fig. 3 and 5, the locking assembly 2 further includes a transmission rod 23 and a second link 24, wherein the transmission rod 23 penetrates through the mounting base 3 and extends into the accommodating cavity 11. The output of the drive assembly 21 is connected to a transmission rod 23 to move the transmission rod 23 in the axial direction of the dowel pin 1. The second link 24 has one end rotatably connected to the transmission lever 23 and the other end rotatably connected to the first link 222. When the driving assembly 21 drives the transmission rod 23 to move along the length direction (i.e. the axial direction of the positioning pin 1), the second link 24 rotates relative to the transmission rod 23 and the first link 222, and simultaneously, the first link 222 rotates relative to the mounting base 3. That is, the transmission rod 23 drives the first link 222 to rotate relative to the mounting base 3 through the second link 24, and the first link 222 further drives the locking block 221 to extend or retract.

In this embodiment, the driving assembly 21 is preferably an air cylinder, and a piston rod of the air cylinder is coaxially connected to the transmission rod 23 to drive the transmission rod 23 to move. Or the piston rod of the cylinder itself is used as the transmission rod 23, the cylinder is arranged on one side of the mounting base 3, which is back to the positioning pin 1, and the piston rod of the cylinder movably penetrates through the mounting base 3 and extends into the accommodating cavity 11. Of course, in other embodiments, the driving assembly 21 may be a servo motor.

Alternatively, referring to fig. 4, the rod 23 is vertically connected to the rod 25, and the end of the second link 24 away from the first link 222 is pivotally connected to the rod 25. The second connecting rod 24 and the supporting rod 25 are rotatably connected through the matching of the pin shaft and the pin hole, and by arranging the supporting rod 25, when the rod diameter of the transmission rod 23 is small, the pin hole can be prevented from being formed in the transmission rod 23, so that the strength of the transmission rod 23 is prevented from being weakened too much.

Referring to fig. 4 and 5, the driving rod 23 is provided with a first stopper 231 and a second stopper 232 at intervals along the length direction thereof. The supporting rod 25 is provided with a connecting hole along the width direction thereof, and the supporting rod 25 is sleeved on the transmission rod 23 through the connecting hole and is located between the first limiting member 231 and the second limiting member 232. The first limiting member 231 and the second limiting member 232 can limit the supporting rod 25, so that the transmission rod 23 can drive the supporting rod 25 to move along the axial direction of the positioning pin 1 synchronously.

Referring to fig. 3, the mounting base 3 includes a base 31 and a hinge portion 32 protruding from the base 31, and the transmission rod 23 movably penetrates through the base 31 and the hinge portion 32. The hinge portion 32 is provided with a groove, and the first link 222 extends into the groove and is rotatably engaged with the groove. The recess is formed in the hinge portion 32, so that the structure in the accommodating chamber 11 can be more compact and reasonable.

Referring to fig. 3 and 5, the first link 222 includes a first rod 2221 and a second rod 2222 that are spaced apart from each other, the first rod 2221 and the second rod 2222 are both connected to the locking block 221, and two grooves are formed on the hinge portion 32. One end of the first rod 2221, which is far from the locking block 221, is rotatably connected in one of the grooves, and one end of the second rod 2222, which is far from the locking block 221, is rotatably connected in the other groove. Further, the sides of the first and

second bars

2221 and 2222 facing away from each other are each rotatably provided with one of the above-mentioned second links 24 to ensure stability when the first and

second bars

2221 and 2222 are rotated relative to the hinge portion 32.

Optionally, the first link 222 includes a first link and a second link connected. The first connecting rod and the second connecting rod are arranged at an obtuse angle, and the obtuse angle faces to the cavity wall of the accommodating cavity 11, so that the purpose of reducing the length of the accommodating cavity 11 is achieved, and the length of the positioning pin 1 can be further reduced. Specifically, in the present embodiment, the first bar 2221 includes a first link and a second link arranged at an obtuse angle, and the second bar 2222 includes a first link and a second link arranged at an obtuse angle, that is, the first bar 2221 and the second bar 2222 are both bars having an obtuse angle, and the obtuse angle faces the cavity wall of the accommodating cavity 11.

Referring to fig. 3 and 5, a stopping portion 2211 is disposed on the locking block 221, and the stopping portion 2211 can abut against the cavity wall of the accommodating cavity 11 to limit the length of the locking block 221 extending out of the avoiding hole 12. When the driving assembly 21 drives the locking block 221 to extend out of the avoiding hole 12, the stopping portion 2211 on the locking block 221 can abut against the cavity wall of the accommodating cavity 11, so that the locking block 221 extends out in place on one hand, and the locking block 221 is prevented from extending out too long to cause the locking block 221 to break on the other hand.

In this embodiment, the number of the locking members 22 is two, and correspondingly, the two opposite sides of the positioning pin 1 are respectively provided with one of the avoiding holes 12, and the locking block 221 of each locking member 22 can correspondingly extend out of one of the avoiding holes 12 and tightly abut against the inner wall of the battery box, so that the stress of the battery box is uniform, and the locking of the battery box is more reliable. Referring to fig. 4, the struts 25 are symmetrically arranged with respect to the transmission rod 23. The first links 222 of both locking members 22 are pivotally connected to the strut 25 by the second link 24. Further, two grooves are disposed on two opposite sides of the hinge portion 32, referring to fig. 3 and 5, the two grooves on the left side correspond to and are rotationally matched with the first rod 2221 and the second rod 2222 of the left side lock member 22, and the two grooves on the right side correspond to and are rotationally matched with the first rod 2221 and the second rod 2222 of the right side lock member 22.

Referring to fig. 1, a mounting hole 311 is provided on the seat body 31 of the mounting base 3, and the mounting base 3 can be screwed with the frame of the battery replacement device through the mounting hole 311.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A positional locking mechanism, comprising:

the positioning pin (1) is configured to be a mounting through hole penetrating through a battery box, an accommodating cavity (11) is axially formed in the positioning pin (1), an avoiding hole (12) is formed in the side wall of the positioning pin (1), and the avoiding hole (12) is communicated with the accommodating cavity (11);

locking subassembly (2), locking subassembly (2) include drive assembly (21) and locking piece (22), drive assembly (21) can drive locking piece (22) are stretched out dodge hole (12) and support tightly in the tank wall of battery box.

2. The positioning locking mechanism according to claim 1, further comprising a mounting base (3), wherein the mounting base (3) is sealed at the opening of the accommodating cavity (11), the locking member (22) comprises a locking block (221) and a first connecting rod (222) which are connected, one end of the first connecting rod (222) which is far away from the locking block (221) is rotatably connected to the mounting base (3), and the driving assembly (21) is driven to rotate relative to the mounting base (3) through the first connecting rod (222) so that the locking block (221) extends out of the avoiding hole (12).

3. The positioning and locking mechanism according to claim 2, wherein the locking assembly (2) further comprises a transmission rod (23) and a second link (24), the transmission rod (23) extends into the accommodating cavity (11), one end of the second link (24) is rotatably connected to the transmission rod (23), the other end of the second link is rotatably connected to the first link (222), and the driving assembly (21) drives the transmission rod (23) to move along the length direction thereof so as to rotate the first link (222) relative to the mounting base (3).

4. The positioning and locking mechanism according to claim 3, characterized in that a strut (25) is vertically connected to the transmission rod (23), and an end of the second link (24) away from the first link (222) is rotatably connected to the strut (25).

5. The positioning and locking mechanism according to claim 4, wherein the transmission rod (23) is provided with a first limiting member (231) and a second limiting member (232) at intervals along a length direction thereof, the supporting rod (25) is provided with a connecting hole along a width direction thereof, and the supporting rod (25) is sleeved on the transmission rod (23) through the connecting hole and is located between the first limiting member (231) and the second limiting member (232).

6. The positioning and locking mechanism according to claim 3, wherein the mounting base (3) comprises a base body (31) and a hinge portion (32) protruding from the base body (31), the transmission rod (23) movably penetrates through the base body (31) and the hinge portion (32), the hinge portion (32) is provided with a groove, and the first connecting rod (222) extends into the groove and is rotatably engaged with the groove.

7. The positioning and locking mechanism according to claim 6, wherein the first link (222) comprises a first rod (2221) and a second rod (2222) which are arranged at intervals, the first rod (2221) and the second rod (2222) are both connected with the locking block (221), the hinge portion (32) is provided with two grooves, and one end of the first rod (2221) far away from the locking block (221) and one end of the second rod (2222) far away from the locking block (221) are both rotatably connected in the corresponding grooves.

8. The positional locking mechanism of claim 2, wherein the first link (222) comprises a first link and a second link connected together, the first link and the second link being disposed at an obtuse angle.

9. The positioning and locking mechanism according to claim 2, characterized in that a stopping portion (2211) is arranged on the locking block (221), and the stopping portion (2211) can abut against the cavity wall of the accommodating cavity (11) to limit the length of the locking block (221) extending out of the avoiding hole (12).

10. Detent mechanism according to claim 1, characterized in that a guide tip (13) is provided on the detent pin.